Annual report pursuant to Section 13 and 15(d)

Statements of Stockholders' Equity

v3.3.1.900
Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Balance at beginning of period at Dec. 31, 2013 $ 18,596 $ 1 $ 367,435 $ 2 $ (348,842)
Balance at beginning of period (in shares) at Dec. 31, 2013   9,455,064      
Issuance of common stock upon exercise of warrants, value 595   595    
Issuance of common stock upon exercise of warrants (Shares)   36,613      
Issuance of common stock upon exercise of options, value 4   4    
Issuance of common stock upon exercise of options (in shares)   431      
Non-employee stock-based compensation expense 8   8    
Employee and director stock-based compensation expense 1,173   1,173    
Conversion of incentive award from liability to equity accounting 121   121    
Issuance of common stock, value 25,286   25,286    
Issuance of common stock, (in shares)   5,204,000      
Net loss (31,917)       (31,917)
Net unrealized loss on marketable securities (16)     (16)  
Balance at end of period at Dec. 31, 2014 13,850 $ 1 394,622 (14) (380,759)
Balance at end of period (in shares) at Dec. 31, 2014   14,696,108      
Issuance of common stock upon exercise of warrants, value $ 1,939   1,939    
Issuance of common stock upon exercise of warrants (Shares)   132,295      
Issuance of common stock upon exercise of options (in shares) 0        
Non-employee stock-based compensation expense $ 21   21    
Employee and director stock-based compensation expense 2,466   2,466    
Issuance of common stock, value 25,375 $ 1 25,374    
Issuance of common stock, (in shares)   8,618,600      
Net loss (15,529)       (15,529)
Net unrealized loss on marketable securities (7)     (7)  
Balance at end of period at Dec. 31, 2015 $ 28,115 $ 2 $ 424,422 $ (21) $ (396,288)
Balance at end of period (in shares) at Dec. 31, 2015   23,447,003